Opticron DBA VHD Binoculars
Opticron's DBA VHD binoculars pack a lot of features into their ~25 oz. open hinge chassis. They are waterproof and nitrogen purged, have ED objectives, fully S-type multi-coated lenses, phase-corrected prisms, and field flattener eyepieces. DBA VHDs also have long eye relief, a fast 500° focus wheel topped by a locking diopter control.